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4001 SPRINGWILLOW LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,284 sqftBuilt 1996

Property at a Glance

This home is estimated between $601,680 and $883,874, with a best estimate of $771,248. That places the property above the L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C median of $449,628, in a neighborhood that declined 2.9% over the past year.

Estimated Value Range

$601,680 $883,874
Best Estimate
$771,248
WCAD Value
$659,021
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C. The estimated range of $601,680 and $883,874 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $879,562

Adjusted +$36,602 for 130 sqft more living space and -$17,762 for being older. Net adjustment: +$18,840.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $883,874

Adjusted +$18,301 for 65 sqft more living space and -$39,076 for being older. Net adjustment: -$20,775.

4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $601,680

Adjusted +$103,612 for 368 sqft more living space and -$63,943 for being older. Net adjustment: +$39,669.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $611,350

Adjusted +$103,612 for 368 sqft more living space and -$71,048 for being older. Net adjustment: +$32,564.

4 bed 3 bath 1,811 sqft Built 2014
Raw Value $702,015
Adjusted Value $771,248

Adjusted +$133,176 for 473 sqft more living space and -$63,943 for being older. Net adjustment: +$69,233.

The Neighborhood

This home is valued 46.6% above the L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C median of $449,628. With 904 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 2.9% over the past year.

L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C

above average
904 Properties
$449,628 Median Value
-2.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$659,021
Median
$449,628

This home is +46.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,746 across all districts. With a homestead exemption claimed, that drops to $11,103 — saving $1,643 per year. That's $925 per month a buyer should budget. The assessed value increased +5.7% vs the subdivision average of -2.9%. This above-average increase gives a protest opportunity score of 58 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$7,163
Williamson CountyCounty0.3694%$2,435
Vista Oaks MUDMUD0.2131%$1,404
Austin Community Collegespecial0.1034%$681
Williamson County ESD #9 - Round RockESD0.0999%$658
Williamson County FM/RdCounty0.0443%$292
Upper Brushy Creek WCIDWater0.0170%$112
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$12,746
58 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $771,248 would pay approximately $4,814 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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